<template>
    <div class="cover-upload">
        <el-upload name="file" :show-file-list="false" accept=".png,.PNG,.jpg,.JPG,.jpeg,.JPEG,.gif,.GIF,.bmp,.BMP"
            :multiple="false" :http-request="uploadImage">
            <div class="cover-upload-btn">
                <template v-if="localFile">
                    <img :src="localFile" />
                </template>
                <template v-else>
                    <img :src="(imageUrlPrefix ? imageUrlPrefix : proxy.globalInfo.imageUrl) +
                        modelVale.imageUrl
                        " v-if="modelValue && modelValue.imageUrl" />
                    <span class="iconfont icon-add" v-else></span>
                </template>
            </div>
        </el-upload>
    </div>
</template>

<script setup>

const {proxy }=getCurrentInstance();
import { ref, reactive, getCurrentInstance } from "vue";
import { useRouter, useRoute } from "vue-router";
const router = useRouter();
const route = useRoute();

const props = defineProps({
    imageUrlPrefix: {
        type: String,
    },
    modelValue: {
        type: Object,
        default: null,
    },
});

const localFile = ref(null);


const emit = defineEmits();
const uploadImage = async (file) => {
    file = file.file;
    let img = new FileReader();
    img.readAsDataURL(file);
    img.onload = ({ target }) => {
        localFile.value = target.result;
    };

    emit("update:modelValue", file);
};
</script>

<style lang="scss">
.cover-upload {
    .cover-upload-btn {
        background: rgb(251, 251, 251);
        width: 150px;
        height: 150px;
        display: flex;
        align-items: center;
        justify-content: center;

        .iconfont {
            font-size: 50px;
            color: #ddd;
        }
        img{
            width: 100%;
            width: 100%;
        }
    }
}
</style>